/* Copyright 2021, Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "test_skel.h" int main(int argc, char *argv[]) { int exit_status = 0; // Get two unique paths to play with. char foo[] = "tempfile.XXXXXX"; int fd_foo = mkstemp(foo); assert(fd_foo != -1); // Make sure it exists. assert(access(foo, F_OK) == 0); // Make sure sys_stat() and a libc stat() implementation return the same // information. struct stat libc_stat; assert(stat(foo, &libc_stat) == 0); struct kernel_stat raw_stat; // We need to check our stat syscall for EOVERFLOW, as sometimes the integer // types used in the stat structures are too small to fit the actual value. // E.g. on some systems st_ino is 32-bit, but some filesystems have 64-bit // inodes. int rc = sys_stat(foo, &raw_stat); if (rc < 0 && errno == EOVERFLOW) { // Bail out since we had an overflow in the stat structure. exit_status = SKIP_TEST_EXIT_STATUS; goto cleanup; } assert(rc == 0); assert(libc_stat.st_ino == raw_stat.st_ino); cleanup: sys_unlink(foo); return exit_status; }